Comparison

Moth vs Butterfly

How to tell a moth from a butterfly without guessing.

Published on 12 October 2026

Subject AMoth

Mostly active after dark, and often hairy.

Subject BButterfly

Mostly active by day, and usually sleeker.

How the two differ

  • Antennae

    Moth

    Often feathery or comb-like, depending on the species.

    Butterfly

    Often club-shaped at the tip.
  • Activity

    Moth

    Many species are active at night, although some are active during the day.

    Butterfly

    Many species are active during the day.
  • Resting position

    Moth

    Many rest with their wings spread or folded roof-like, depending on the species.

    Butterfly

    Many rest with their wings held upright, although behaviour varies.
  • Body

    Moth

    Often has a relatively stout, hairy body.

    Butterfly

    Often has a slimmer body, depending on the species.
  • Pupa

    Moth

    Many species spin cocoons, but not all do.

    Butterfly

    Most form a chrysalis without a silk cocoon.

Related articles